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@TURN Todd @Turn Offroad I had a major brain fart and just noticed the 10% off 4th of July sale ended today. I have been waiting for this sale. I was out of town all weekend. Any chance I could get a 1 day extension reward for my stupidity? That would be very appreciated and awesome.

So here is an illustration of the loads you were probably feeling. The applied loads from drive train first, shown in black. The live wheel has a torque applied to it from the axle. Both wheels have a forward force on them from the drive train trying to move axle forward as you try to get over...

Same here. I have been waiting for Fourth of July sale and missed the fact this expired yesterday. Any chance a 1 day extension would work?

I thought that you also had a relocation bracket and are now fairly horizontal with the track bar. If so it is definitely possible to have needed to shorten your bar length. Shortest length occurs at pure horizontal position.

no that is not correct. I added a figure to my response to illustrate the kinematics.

Track bar with stock mounting locations will kinematically move the axle towards drivers side as rear body is lifted. To center axle then the bar must be lengthened. track bar with relocation bracket is a different story. As bar becomes more vertical it must become shorter to center axle...

Sure. If you apply the same “static” traction force at the tire/ground interface, then the torque value at the axle shaft depends on the tire radius, as well as gear radii (reduction) for the portals. A static force balance shows that the mechanical gear advantage reduces the axle torque. The...

There is most definitely some torsional displacement slack in the gears and also the axle shaft showed some serious plastic deformation before failure. Many degrees of rotation, maybe even a quarter turn. Look at the splines and how skew they are. A perfect torsional plastic rotation turned into...

These are essentially 6100 bilstein shocks with a fixed non adjustable perch collar. So preload is fixed and can’t be adjusted. the unknown is the spring rates for these. Ford has many different rates depending on trim levels (weight differences). I have the same shocks (6100s) with SAS big...

There are a number of reasons that make 37s more challenging for the Bronco platform. I don’t think traction control concerns are on top of the list.

@horseshart i am beginning to think you created the search engine. 🤣

Just read through all of this. What an awesome trip. Really cool.

For the engineers. Static equilibrium (ride height) is dictated by spring force. NO other mechanism exists in our suspension. A simple force balance at each corner. Nothing more. preload induces a static force into the spring based on a given displacement. Nothing more than this. New static...

Spring stiffness and length are the two most critical coilover design parameters. Stiffness dictates the fundamental frequency response of the suspension. Proper length allows for sufficient preload such that static equilibrium (ride height) occurs near mid travel of the shock and the spring not...

Always lots of confusion about spring preload. 1) a mechanical coil spring has an inherent stiffness based on its material and geometry. Preload does NOT affect spring stiffness. 2) preload compresses a spring a given amount and thus induces a static force within the spring. That force helps...

These shocks, with all of the variable damping, can probably hide some of the concerns with one size fits all spring rates. As long as the static weights or pitch and roll moments don’t change too much. That is probably why they offer two flavors based on wheelbase, 2 door and 4 door. They have...

@Bikeric only buys 4 tires. Spare tire delete. Pretty sure he caries an inner tube though… Just in case he comes across a nice river crossing and wants to float down. Probably needs a few tubes for all his coolers of beer.

Love it. that attitude can’t be taught. Either you have it or you don’t.

WOW I knew you were doing all this but reading it makes it ssooo much more impressive. not sure what’s more impressive, keeping track of all the parts that must be on the the garage floor or the fact you still haven’t given up on the portals.